{"id":1465,"date":"2026-03-02T14:21:55","date_gmt":"2026-03-02T06:21:55","guid":{"rendered":"https:\/\/www.puncturetest.com\/?p=1465"},"modified":"2026-03-02T14:21:56","modified_gmt":"2026-03-02T06:21:56","slug":"polyethylene-film-dart-impact-test","status":"publish","type":"post","link":"https:\/\/www.puncturetest.com\/cs\/polyethylene-film-dart-impact-test\/","title":{"rendered":"Zkou\u0161ka odolnosti polyethylenov\u00e9 f\u00f3lie proti n\u00e1razu \u0161ipkou a zku\u0161ebn\u00ed metoda ASTM D1709 pro stanoven\u00ed odolnosti f\u00f3lie"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u00davod do zkou\u0161ky odolnosti polyetylenov\u00e9 f\u00f3lie proti n\u00e1razu \u0161ipkou<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Polyethylenov\u00e9 f\u00f3lie se hojn\u011b pou\u017e\u00edvaj\u00ed v obalov\u00e9m pr\u016fmyslu, textiln\u00edm pr\u016fmyslu a v r\u016fzn\u00fdch dal\u0161\u00edch odv\u011btv\u00edch. Jedn\u00edm z kl\u00ed\u010dov\u00fdch krit\u00e9ri\u00ed kvality t\u011bchto f\u00f3li\u00ed je jejich odolnost proti n\u00e1raz\u016fm. Tato <strong>Zkou\u0161ka n\u00e1razem \u0161ipky na polyetylenovou f\u00f3lii<\/strong> jedn\u00e1 se o standardizovanou metodu pro stanoven\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu. Tato zkou\u0161ka simuluje re\u00e1ln\u00e9 podm\u00ednky, kdy na materi\u00e1l dopad\u00e1 padaj\u00edc\u00ed p\u0159edm\u011bt, a ukazuje, do jak\u00e9 m\u00edry je f\u00f3lie schopna odolat prasknut\u00ed \u010di po\u0161kozen\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed metoda ASTM D1709<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>ASTM D1709<\/strong> Tato norma stanovuje zku\u0161ebn\u00ed metody pro stanoven\u00ed r\u00e1zov\u00e9 odolnosti plastov\u00fdch f\u00f3li\u00ed. Uv\u00e1d\u00ed dv\u011b z\u00e1kladn\u00ed zku\u0161ebn\u00ed metody:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Zku\u0161ebn\u00ed metoda A<\/strong> Zahrnuje pou\u017eit\u00ed polokulovit\u00e9ho \u0161\u00edpu o pr\u016fm\u011bru 38,10 mm, kter\u00fd se vypust\u00ed z v\u00fd\u0161ky 0,66 metru.<\/li>\n\n\n\n<li><strong>Zku\u0161ebn\u00ed metoda B<\/strong> pou\u017e\u00edv\u00e1 v\u011bt\u0161\u00ed \u0161ipku o pr\u016fm\u011bru 50,80 mm, kter\u00e1 se vrh\u00e1 z v\u00fd\u0161ky 1,52 metru.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ob\u011b metody jsou ur\u010deny k posouzen\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1raz\u016fm voln\u011b padaj\u00edc\u00edch \u0161ipek. Zkou\u0161ka ur\u010duje <strong>hmotnost p\u0159i poru\u0161e n\u00e1razem<\/strong>, co\u017e je minim\u00e1ln\u00ed hmotnost pot\u0159ebn\u00e1 k prasknut\u00ed f\u00f3lie.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.puncturetest.com\/cs\/astm-d1709-dart-drop-tester-falling-dart-impact\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2026\/03\/Polyethylene-Film-Dart-Impact-Test-and-ASTM-D1709-Standards.webp\" alt=\"Zkou\u0161ka odolnosti polyetylenov\u00e9 f\u00f3lie proti n\u00e1razu \u0161ipek a norma ASTM D1709\" class=\"wp-image-1467\" style=\"width:783px;height:auto\" srcset=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2026\/03\/Polyethylene-Film-Dart-Impact-Test-and-ASTM-D1709-Standards.webp 600w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2026\/03\/Polyethylene-Film-Dart-Impact-Test-and-ASTM-D1709-Standards-300x300.webp 300w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2026\/03\/Polyethylene-Film-Dart-Impact-Test-and-ASTM-D1709-Standards-150x150.webp 150w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2026\/03\/Polyethylene-Film-Dart-Impact-Test-and-ASTM-D1709-Standards-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 prvky testu<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Testovac\u00ed uspo\u0159\u00e1d\u00e1n\u00ed:<\/strong> Vzorek f\u00f3lie je pevn\u011b upnut mezi dv\u011bma deskami a na f\u00f3lii je vyst\u0159elen \u0161ipka. Energie dodan\u00e1 \u0161ipkou zp\u016fsob\u00ed poru\u0161en\u00ed f\u00f3lie v ur\u010dit\u00e9m bod\u011b, co\u017e se pot\u00e9 pou\u017eije k v\u00fdpo\u010dtu hmotnosti p\u0159i poru\u0161en\u00ed n\u00e1razem.<\/li>\n\n\n\n<li><strong>M\u00edsto selh\u00e1n\u00ed:<\/strong> C\u00edlem zkou\u0161ky je ur\u010dit hmotnost, p\u0159i kter\u00e9 dojde k poru\u0161en\u00ed vzork\u016f typu 50%. V\u00fdsledek se m\u011b\u0159\u00ed v gramech (g) a poskytuje \u00fadaj o tom, jak odoln\u00e1 je f\u00f3lie proti po\u0161kozen\u00ed p\u0159i n\u00e1razu.<\/li>\n\n\n\n<li><strong>Standardn\u00ed zku\u0161ebn\u00ed podm\u00ednky:<\/strong> Zkou\u0161ka se prov\u00e1d\u00ed p\u0159i teplot\u011b 23 \u00b1 2 \u00b0C (73,4 \u00b1 3,6 \u00b0F) a relativn\u00ed vlhkosti 50 \u00b1 10%. Tato standardizace zaji\u0161\u0165uje, \u017ee v\u00fdsledky jsou konzistentn\u00ed a reprodukovateln\u00e9.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Odpor plastov\u00e9 f\u00f3lie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Odpor <strong>plastov\u00e1 f\u00f3lie<\/strong> Odolnost f\u00f3lie proti n\u00e1raz\u016fm z\u00e1vis\u00ed na r\u016fzn\u00fdch faktorech, v\u010detn\u011b tlou\u0161\u0165ky f\u00f3lie, slo\u017een\u00ed materi\u00e1lu a p\u0159\u00edtomnosti p\u0159\u00edpadn\u00fdch vad. Siln\u011bj\u0161\u00ed f\u00f3lie m\u016f\u017ee odolat v\u011bt\u0161\u00edm n\u00e1razov\u00fdm sil\u00e1m, je v\u0161ak d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee odolnost proti n\u00e1raz\u016fm ne v\u017edy p\u0159\u00edmo souvis\u00ed s tlou\u0161\u0165kou. F\u00f3lie s nerovnom\u011brnostmi nebo ne\u010distotami se mohou sn\u00e1ze po\u0161kodit, a to bez ohledu na jejich tlou\u0161\u0165ku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Postup zkou\u0161ky n\u00e1razem \u0161ipkou<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>P\u0159\u00edprava vzork\u016f:<\/strong> Zku\u0161ebn\u00ed vzorky nesm\u00ed vykazovat \u017e\u00e1dn\u00e9 d\u00edrky, vr\u00e1sky ani jin\u00e9 vady. F\u00f3lie se p\u0159ed zkou\u0161kou nech\u00e1 aklimatizovat p\u0159i kontrolovan\u00e9 teplot\u011b a vlhkosti.<\/li>\n\n\n\n<li><strong>Zkou\u0161ka n\u00e1razem na ter\u010d:<\/strong> Pomoc\u00ed zvolen\u00e9 metody (A nebo B) se \u0161ipka vypust\u00ed ze stanoven\u00e9 v\u00fd\u0161ky tak, aby dopadla na f\u00f3lii. Hmotnost \u0161ipky se postupn\u011b zvy\u0161uje nebo sni\u017euje v z\u00e1vislosti na tom, zda f\u00f3lie praskne, \u010di nikoli.<\/li>\n\n\n\n<li><strong>Vyhodnocen\u00ed v\u00fdsledk\u016f:<\/strong> Zaznamen\u00e1 se hmotnost p\u0159i selh\u00e1n\u00ed a energie \u0161ipky se porovn\u00e1 s odolnost\u00ed f\u00f3lie. V\u00fdsledek pom\u00e1h\u00e1 pochopit, jak se f\u00f3lie bude chovat v re\u00e1ln\u00fdch podm\u00ednk\u00e1ch, nap\u0159\u00edklad p\u0159i p\u016fsoben\u00ed n\u00e1razov\u00fdch sil b\u011bhem balen\u00ed nebo p\u0159epravy.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed za\u0159\u00edzen\u00ed pro m\u011b\u0159en\u00ed n\u00e1razu voln\u011b padaj\u00edc\u00edho \u0161ipky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>zku\u0161ebn\u00ed za\u0159\u00edzen\u00ed pro m\u011b\u0159en\u00ed n\u00e1razu voln\u011b padaj\u00edc\u00ed \u0161ipky<\/strong> je kl\u00ed\u010dov\u00fdm n\u00e1strojem pro prov\u00e1d\u011bn\u00ed tohoto testu. Je navr\u017een tak, aby \u0161ipku vypou\u0161t\u011bl s p\u0159esnost\u00ed a konzistentnost\u00ed, \u010d\u00edm\u017e zaji\u0161\u0165uje p\u0159esn\u00e9 v\u00fdsledky. Tyto testovac\u00ed p\u0159\u00edstroje jsou nepostradateln\u00e9 pro odv\u011btv\u00ed, kter\u00e1 vy\u017eaduj\u00ed vysoce kvalitn\u00ed plastov\u00e9 f\u00f3lie, jako je nap\u0159\u00edklad obalov\u00fd pr\u016fmysl, kde jsou rozhoduj\u00edc\u00ed trvanlivost a odolnost proti n\u00e1razu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hlavn\u00ed vlastnosti zku\u0161ebn\u00edch za\u0159\u00edzen\u00ed pro zkou\u0161ku n\u00e1razem voln\u011b padaj\u00edc\u00ed \u0161ipky:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u0159esn\u00e9 ovl\u00e1d\u00e1n\u00ed:<\/strong> Umo\u017e\u0148uje p\u0159esn\u00e9 nastaven\u00ed v\u00fd\u0161ky p\u00e1du a hmotnosti \u0161ipky.<\/li>\n\n\n\n<li><strong>Nastaviteln\u00e9 parametry testu:<\/strong> U\u017eivatel\u00e9 mohou nastavit hmotnost a v\u00fd\u0161ku \u0161ipky tak, aby vyhovovaly r\u016fzn\u00fdm po\u017eadavk\u016fm na testov\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Zaznamen\u00e1v\u00e1n\u00ed dat:<\/strong> N\u011bkter\u00e9 modely jsou vybaveny digit\u00e1ln\u00edmi displeji a funkc\u00ed z\u00e1znamu dat, co\u017e umo\u017e\u0148uje efektivn\u00ed anal\u00fdzu v\u00fdsledk\u016f.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdhody zkou\u0161ky odolnosti polyetylenov\u00e9 f\u00f3lie proti n\u00e1razu \u0161ipkou<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Kontrola kvality:<\/strong> Zkou\u0161ka odolnosti proti n\u00e1razu \u0161ipkou poskytuje cenn\u00e9 informace o kvalit\u011b plastov\u00fdch f\u00f3li\u00ed. V\u00fdrobci mohou v\u00fdsledky vyu\u017e\u00edt k dolad\u011bn\u00ed sv\u00fdch v\u00fdrobn\u00edch proces\u016f a zaji\u0161t\u011bn\u00ed konzistentn\u00ed kvality sv\u00fdch f\u00f3li\u00ed.<\/li>\n\n\n\n<li><strong>V\u00fdb\u011br materi\u00e1lu:<\/strong> V odv\u011btv\u00edch, jako je nap\u0159\u00edklad obalov\u00fd pr\u016fmysl, je v\u00fdb\u011br f\u00f3li\u00ed s vysokou odolnost\u00ed proti n\u00e1raz\u016fm kl\u00ed\u010dov\u00fd pro zaji\u0161t\u011bn\u00ed ochrany balen\u00fdch v\u00fdrobk\u016f.<\/li>\n\n\n\n<li><strong>Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f:<\/strong> V souladu s <strong>ASTM D1709<\/strong> zaji\u0161\u0165uje, \u017ee f\u00f3lie spl\u0148uj\u00ed mezin\u00e1rodn\u00ed normy pro odolnost proti n\u00e1razu, d\u00edky \u010demu\u017e jsou vhodn\u00e9 pro celou \u0159adu pou\u017eit\u00ed.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>Zkou\u0161ka n\u00e1razem \u0161ipky na polyetylenovou f\u00f3lii<\/strong> je z\u00e1kladn\u00ed metodou hodnocen\u00ed pro stanoven\u00ed trvanlivosti plastov\u00fdch f\u00f3li\u00ed. Pomoc\u00ed <strong>ASTM D1709<\/strong> D\u00edky t\u00e9to norm\u011b mohou v\u00fdrobci zajistit, \u017ee jejich f\u00f3lie spl\u0148uj\u00ed nezbytn\u00e1 krit\u00e9ria odolnosti proti n\u00e1razu pro r\u016fzn\u00e9 oblasti pou\u017eit\u00ed, jako jsou obaly a textilie. Vyu\u017eit\u00edm <strong>zku\u0161ebn\u00ed za\u0159\u00edzen\u00ed pro m\u011b\u0159en\u00ed n\u00e1razu voln\u011b padaj\u00edc\u00ed \u0161ipky<\/strong> poskytuje p\u0159esn\u00e9 a konzistentn\u00ed v\u00fdsledky, d\u00edky \u010demu\u017e je cenn\u00fdm n\u00e1strojem pro kontrolu kvality v tomto odv\u011btv\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro p\u0159esn\u011bj\u0161\u00ed a spolehliv\u011bj\u0161\u00ed testov\u00e1n\u00ed, <strong>Cell Instruments s.r.o.<\/strong> nab\u00edz\u00ed \u0159adu \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed, v\u010detn\u011b <strong>zku\u0161ebn\u00ed za\u0159\u00edzen\u00ed pro m\u011b\u0159en\u00ed n\u00e1razu voln\u011b padaj\u00edc\u00ed \u0161ipky<\/strong>, s c\u00edlem podpo\u0159it odv\u011btv\u00ed v\u00fdroby plastov\u00fdch f\u00f3li\u00ed p\u0159i udr\u017eov\u00e1n\u00ed vysok\u00fdch standard\u016f kvality a v\u00fdkonu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00davod do zkou\u0161ky odolnosti polyethylenov\u00fdch f\u00f3li\u00ed proti n\u00e1razu \u0161ipkou Polyethylenov\u00e9 f\u00f3lie se \u0161iroce pou\u017e\u00edvaj\u00ed v obalov\u00e9m pr\u016fmyslu, textiln\u00edm pr\u016fmyslu a v r\u016fzn\u00fdch dal\u0161\u00edch odv\u011btv\u00edch. Jedn\u00edm z kl\u00ed\u010dov\u00fdch ukazatel\u016f kvality t\u011bchto f\u00f3li\u00ed je jejich schopnost odol\u00e1vat n\u00e1raz\u016fm. Zkou\u0161ka odolnosti polyethylenov\u00fdch f\u00f3li\u00ed proti n\u00e1razu \u0161ipkou je standardizovan\u00e1 metoda pro stanoven\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu. Tato zkou\u0161ka simuluje re\u00e1ln\u00e9 podm\u00ednky [\u2026]<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1465","post","type-post","status-publish","format-standard","hentry","category-softgel-test"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Polyethylene Film Dart Impact Test and ASTM D1709 Standards<\/title>\n<meta name=\"description\" content=\"Learn about polyethylene film dart impact test, including resistance of plastic film and ASTM D1709 standards. 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